Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
hanh voi » hanh vi, hanh noi, hanh moi
tu trong » tu tuong, tu tieng
nang tai » hang tai, tang tai, sang tai
sach ky » sac ky, sach y, sach ty
tai hoi » tai khoi, dai hoi, tai hai
tu tren » tu truyen, tu tieng, dua tren
cau luc » cau truc, cau phuc

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang tai hoi. lieu va ((cam xuc) or (cau luc)) van hanh voi ((tu tren) OR (tu trong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang tai hoi. lieu va ((cam xuc) OR (cau luc)) van hanh voi ((tu tren) OR (tu trong))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang tai hoi. lieu va ((cam xuc) or (cau luc)) van hanh voi ((tu tren) OR (tu trong))*".